diff options
| author | Alan Cox <alan@linux.intel.com> | 2012-07-30 23:43:24 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-31 02:25:22 +0200 |
| commit | 086ff4b3a7fb9cdf41e6a5d0ccd99b86d84633a1 (patch) | |
| tree | bf7ab2f90ea3314eaa04e2614b6f848ba2c856ca /drivers | |
| parent | lib/scatterlist: do not re-write gfp_flags in __sg_alloc_table() (diff) | |
| download | linux-086ff4b3a7fb9cdf41e6a5d0ccd99b86d84633a1.tar.xz linux-086ff4b3a7fb9cdf41e6a5d0ccd99b86d84633a1.zip | |
drivers/misc/lkdtm.c: fix missing allocation failure check
Addresses https://bugzilla.kernel.org/show_bug.cgi?id=44691
Reported-by: <rucsoftsec@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/misc/lkdtm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/misc/lkdtm.c b/drivers/misc/lkdtm.c index 28adefe70f96..08aad69c8da4 100644 --- a/drivers/misc/lkdtm.c +++ b/drivers/misc/lkdtm.c @@ -477,6 +477,8 @@ static ssize_t lkdtm_debugfs_read(struct file *f, char __user *user_buf, int i, n, out; buf = (char *)__get_free_page(GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; n = snprintf(buf, PAGE_SIZE, "Available crash types:\n"); for (i = 0; i < ARRAY_SIZE(cp_type); i++) |